Kalikasan-Southern Tagalog is a broad alliance of various environmental organizations and advocates in Southern Tagalog that upholds the following principles:
1. We believe that natural environment is critical for the existence of humankind and the society. Our natural environment provides knowledge and resources for survival thus; protection and care for it are necessary.
2. We stand for the interests of the Filipino people in protecting our natural environmentand patrimonial natural resources for the present and future generations.
3. We believe that various environmental organizations and environmental advocates in the region play an essential role to inform, mold and engage the people of Southern Tagalog community on environmental issues concerning the region, the country and the world.
4. We believe that individual acts may have negative impacts on the environment but still; it is the dominant forces in the society dictate the systemic destruction of the environment and abuse of natural resources.